42471306615 has 16 divisors (see below), whose sum is σ = 69534419328. Its totient is φ = 22124587296.

The previous prime is 42471306611. The next prime is 42471306637. The reversal of 42471306615 is 51660317424.

It is a happy number.

It is not a de Polignac number, because 42471306615 - 2² = 42471306611 is a prime.

It is a super-3 number, since 3×42471306615³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42471306611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32922849 + ... + 32924138.

It is an arithmetic number, because the mean of its divisors is an integer number (4345901208).

Almost surely, 2^42471306615 is an apocalyptic number.

42471306615 is a deficient number, since it is larger than the sum of its proper divisors (27063112713).

42471306615 is a wasteful number, since it uses less digits than its factorization.

42471306615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65847038.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 42471306615 in words is "forty-two billion, four hundred seventy-one million, three hundred six thousand, six hundred fifteen".